495131 has 8 divisors (see below), whose sum is σ = 609504. Its totient is φ = 391680.

The previous prime is 495119. The next prime is 495133. The reversal of 495131 is 131594.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 495131 - 2⁶ = 495067 is a prime.

It is a super-2 number, since 2×495131² = 490309414322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 495097 and 495106.

It is not an unprimeable number, because it can be changed into a prime (495133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2630 + ... + 2811.

It is an arithmetic number, because the mean of its divisors is an integer number (76188).

2⁴⁹⁵¹³¹ is an apocalyptic number.

495131 is a deficient number, since it is larger than the sum of its proper divisors (114373).

495131 is a wasteful number, since it uses less digits than its factorization.

495131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5461.

The product of its digits is 540, while the sum is 23.

The square root of 495131 is about 703.6554554610. The cubic root of 495131 is about 79.1115765700. Note that the first 3 decimals are identical.

It can be divided in two parts, 495 and 131, that added together give a palindrome (626).

The spelling of 495131 in words is "four hundred ninety-five thousand, one hundred thirty-one".